Does anyone know if the door mirrors defrost? The handbook suggests they should. The ones on my 1990 Audi100 did, but these don't. I thought they would when the heated rear window was turned on, but no. I can't see a blown fuse anywhere.
Is this a known problem? I'd be grateful for any advice, please.
[yes, I know it's summer but I've been meaning to ask this for ages!]